      1   1 Identifier i
      1   3 Op_assign
      1   5 Integer 2 
      1   6 Semicolon
      2   1 Keyword_if
      2   4 LeftParen
      2   5 Identifier i
      2   6 RightParen
      2   8 Keyword_putc
      2  12 LeftParen
      2  13 Integer 112 
      2  16 RightParen
      2  17 Semicolon
      3   1 Keyword_else
      3   6 Keyword_putc
      3  10 LeftParen
      3  11 Integer 116 
      3  14 RightParen
      3  15 Semicolon
      4   1 End_of_input
